Analysis
- max time kernel
130s - max time network
112s - platform
windows10_x64 - resource
win10v20210408 - submitted
19/04/2021, 06:59
General
- Target Confirmation copy.pdf.exe
- Size 707KB
- Sample210419-cfe2r4tedn
- SHA256 ceeb7570066a45e98afcbffc0522bae96a5bb3c08270e922ba2a36ee360f0343
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
858540506070
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Confirmation copy.pdf.exe"C:\Users\Admin\AppData\Local\Temp\Confirmation copy.pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Confirmation copy.pdf.exe"{path}"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/752-114-0x0000000000CE0000-0x0000000000CE1000-memory.dmp
memory/752-116-0x0000000005CE0000-0x0000000005CE1000-memory.dmp
memory/752-117-0x0000000005680000-0x0000000005681000-memory.dmp
memory/752-118-0x00000000030E0000-0x00000000030E1000-memory.dmp
memory/752-119-0x00000000057E0000-0x0000000005CDE000-memory.dmp
memory/752-120-0x0000000007A10000-0x0000000007A11000-memory.dmp
memory/752-121-0x00000000079E0000-0x00000000079E5000-memory.dmp
memory/752-122-0x000000007F110000-0x000000007F111000-memory.dmp
memory/752-123-0x0000000007DB0000-0x0000000007E68000-memory.dmp
memory/752-124-0x0000000005100000-0x000000000517B000-memory.dmp
memory/780-125-0x0000000000400000-0x000000000043C000-memory.dmp
memory/780-131-0x0000000005180000-0x000000000567E000-memory.dmp
memory/780-132-0x00000000051E0000-0x00000000051E1000-memory.dmp
memory/780-133-0x0000000005D70000-0x0000000005D71000-memory.dmp
memory/780-136-0x0000000005180000-0x000000000567E000-memory.dmp